J.C. Tretter And NFLPA Encouraging Players To Avoid OTA's And
Former Browns center, NFLPA president JC Tretter retires –
JC Tretter: NFLPA wants vaccinated players to be tested more
A conversation with Browns' JC Tretter as new union chief in
Browns center, NFLPA president JC Tretter happy with offseason
A conversation with Browns' JC Tretter as new union chief in
Tretter Re-Elected President of NFL Union
JC Tretter '13 The ILR School
Cleveland's J.C. Tretter Elected President of N.F.L. Union - The
NFL players union sees no need for bubble if people follow
Working From Home: JC Tretter
Tretter becoming Packers' most valuable backup
The NFL cast JC Tretter out; the NFLPA president says that only